78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
#ifndef DISPLAY_H
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#define DISPLAY_H
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#include <esp_lcd_types.h>
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#include <esp_lcd_panel_ssd1306.h>
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#include <driver/i2c_types.h>
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#include <driver/i2c_master.h>
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#include <unordered_map>
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#include <esp_lcd_panel_ops.h>
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#include <esp_lcd_panel_io.h>
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#include "misc/lv_types.h"
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#include "misc/lv_area.h"
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#include "display/lv_display.h"
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#include "widgets/label/lv_label.h"
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#include "panel.h"
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#define LVGL_TICK_PERIOD_MS 5
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#define LVGL_TASK_STACK_SIZE (4 * 1024)
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#define LVGL_TASK_PRIORITY 2
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class Display {
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public:
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explicit Display(IPanelDevice *device);
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~Display() = default;
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[[nodiscard]] inline const lv_display_t *get() const { return lv_display_; }
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[[nodiscard]] inline lv_display_t *get() { return lv_display_; }
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[[nodiscard]] inline const lv_display_t *operator*() const { return get(); }
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[[nodiscard]] inline lv_display_t *operator*() { return get(); }
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void set_text(const char *text,
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const char *name,
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lv_label_long_mode_t long_mode = LV_LABEL_LONG_SCROLL_CIRCULAR,
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lv_align_t align = LV_ALIGN_TOP_MID);
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static bool lvgl_flush_ready(esp_lcd_panel_io_handle_t panel,
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esp_lcd_panel_io_event_data_t *data,
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void *user_ctx);
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static void lvgl_flush_cb(lv_display_t *display,
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const lv_area_t *area,
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uint8_t *px_map);
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static void lvgl_increase_tick(void *arg);
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[[noreturn]] static void lvgl_port_task(void *arg);
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private:
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Panel panel_;
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lv_display_t *lv_display_;
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// Draw buffer associated with the lv_display_t.
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void *lv_buf_;
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// Objects stored in the screen associated with this display.
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// @sa Display::set_text
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// @sa lv_display_get_screen_active
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std::unordered_map<const char *, lv_obj_t *> objects_;
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struct ScopedLock {
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explicit ScopedLock() { _lock_acquire(&lock_); }
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~ScopedLock() { _lock_release(&lock_); }
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// LVGL library is not thread-safe, this example calls LVGL APIs from tasks.
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// We must use a mutex to protect it.
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static _lock_t lock_;
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};
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};
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#endif // DISPLAY_H
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